CN211548170U - Conical friction damper capable of automatically resetting node - Google Patents

Abstract

The utility model discloses a conical can be from reset node friction damper, including last tooth piece, lower tooth piece and outer hoop, be equipped with the interlock tooth at last tooth piece and tooth piece surface down, it has the interlock tooth to correspond on the outer hoop internal surface, goes up tooth piece and tooth piece cover down in outer hoop, will go up tooth piece and tooth piece butt joint down, the lateral wall interlock is in the same place that superposes, and goes up tooth piece and lower tooth piece below and outer hoop of device connecting portion stretch out. This device takes place the reciprocal motion through last tooth piece and tooth piece atress down, converts the power of vertical direction into the power of horizontal direction through the interlock tooth, makes outer hoop strut the deformation, and the deformation produces the restoring force, converts vertical power into through the interlock tooth, makes the model from restoring to the throne. The structure can be used as an energy dissipation and shock absorption device to be installed in the existing structure, so that the shock resistance of the existing structure is improved; the friction surfaces are many, the energy consumption capability is strong, and the energy-saving device is particularly suitable for high-rise structures.

Description

Conical friction damper capable of automatically resetting node

Technical Field

The utility model belongs to building reinforcement repair field such as antidetonation, modern wood structure steel construction, ancient building timber structure is applicable to the building and the structure that adopt semi-rigid node and pin joint, in particular to can be from restoring to throne node friction damper.

Background

The residual deformation of the building structure under earthquake is the most common engineering problem affecting the normal use of the structure, and the deviation rectification and reinforcement are required after the earthquake, so that the maintenance cost is huge. The self-resetting technology is adopted to reinforce the structure, and is an effective mode commonly adopted at present.

In the field of self-resetting of buildings, self-resetting of structures with additional devices is currently the most popular way. The stress of a building structure is very complex when the building structure is subjected to an earthquake, so that the stress of a structural member is also very complex, when the building structure is in a limit condition, huge pulling force can be generated in the structural member, the traditional self-resetting member is self-reset by using a pulling cable, the limit bearing capacity of the pulling cable is limited, the pulling force required by the structure cannot be provided, and the self-resetting function cannot be realized.

In order to cope with the situation of extreme stress, the traditional self-resetting device adopts a mode of using a plurality of self-resetting devices together to cope with the extreme stress, which causes great waste. There is a need for a member that provides self-resetting capability in extreme stress situations.

SUMMERY OF THE UTILITY MODEL

Recognizing the above difficulties of conventional sliding friction devices, it is an object of the present invention to provide a novel counter-force enhanced friction joint, wherein the components are tapered and move from the large end to the small end when subjected to a force, so that the larger the external load, the larger the component movement, the larger the counter-force provided, and the components cause the structure to self-reset after the structure. The rigidity is provided when the structure does not vibrate, and energy consumption is provided for the structure when the structure vibrates.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

according to the utility model provides an embodiment, the utility model provides a conical can be from restoring to throne node friction damper, a serial communication port, including last tooth piece, lower tooth piece and outer hoop, be equipped with the interlock tooth at last tooth piece under with tooth piece surface, correspond on the outer hoop internal surface and have the interlock tooth, go up tooth piece and tooth piece cover down in outer hoop, will go up tooth piece and lower tooth piece butt joint, the lateral wall interlock is folded together, and goes up tooth piece and lower tooth piece below and outer hoop outer device connecting portion stretch out outer hoop.

In the above scheme, go up the pick and be the cone structure with lower pick, go up lower centrum and adopt draw-in groove formula butt joint, the interlock tooth is established on the external cone face, and outer hoop is for corresponding the hollow cone structure of last pick and lower pick, offers the taper mouth at the top and the bottom of outer hoop, goes up the pick and stretches out the taper mouth with the connecting portion of pick centrum top and bottom down.

In the above scheme, the upper tooth block and the lower tooth block are both cylinder structures, and the outer hoop is a hollow cylinder structure corresponding to the upper tooth block and the lower tooth block.

In the above scheme, the outer hoop is of an integral structure or a split structure, and the upper outer hoop and the lower outer hoop of the split structure are connected through a lock catch.

In the scheme, the cross section of the meshing tooth is triangular or rectangular.

In the scheme, the tooth space of the meshing teeth on the outer hoop is correspondingly the same as the tooth space on the upper and lower tooth blocks, and the cross section shapes are the same.

In the above scheme, the outer hoop is made of spring steel.

The utility model has the advantages that:

the utility model discloses can regard as the part to install in the structure, connect and consolidate to building structure. The energy dissipation component is conical, the larger the stress is, the larger the counter force is, when the stress reaches a certain degree, the output force reaches the maximum, the deformation of the component is prevented, and the self-resetting is carried out after the disaster disappears. The friction surfaces are many, the energy consumption capability is strong, and the energy-saving device is particularly suitable for high-rise structures.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

FIG. 1 is an exploded view of the components in their entirety;

FIG. 2 is a schematic view of the components after installation;

fig. 3 is a schematic view of the meshing teeth of the members.

The reference numerals in the drawings denote: 1. an upper tooth block; 2. a lower tooth block; 3. and an outer hoop.

Detailed Description

The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.

Fig. 1 is an overall exploded view of the components of the device, and as shown in fig. 1, the relative position relationship of the components can be clearly understood. Fig. 2 shows a schematic view of the device after installation, i.e. as shown in fig. 2. The utility model discloses a conical can be from restoring to throne node friction damper mainly comprises last tooth piece 1, lower tooth piece 2, outer hoop 3. Be equipped with the interlock tooth on last tooth piece 1 and 2 surfaces of lower tooth piece, correspond on the 3 internal surfaces of outer hoop and have the interlock tooth, upper and lower tooth piece 1, 2 cover is in outer hoop 3, with upper and lower tooth piece 1, 2 butt joints, the lateral wall interlock and superpose together, and upper and lower tooth piece 1, 2 below and outer device connecting portion stretch out outer hoop 3, for the whole constraint that provides of model.

As shown in fig. 1 and 2, in an embodiment, the upper tooth block 1 and the lower tooth block 2 are cone structures, the upper vertebral body and the lower vertebral body are in clamping groove type butt joint, the occlusion teeth are arranged on the outer conical surface, the outer hoop 3 is a cone structure corresponding to the upper tooth block 1 and the lower tooth block 2 and is a hollow cone structure which is in butt joint with the upper vertebral body and the lower vertebral body, the top and the bottom of the outer hoop 3 are provided with cone openings, and the connecting parts of the top and the bottom of the upper tooth block 1 and the lower tooth block 2 extend out of the cone openings.

In another embodiment, the outer hoop 3 may be a split structure, corresponding to the structure of the tapered upper and lower tooth blocks 1 and 2, the upper and lower outer hoops 3 are respectively sleeved on the upper and lower tooth blocks 1 and 2, and the upper and lower outer hoops 3 are connected by a lock.

Further, the upper tooth block 1, the lower tooth block 2 and the corresponding outer hoop 3 can be cylindrical structures, and other structures are the same as conical structures.

The outer hoop 3 of the device is formed by spring steel to provide restoring force for a model, so that self-resetting is ensured; the vertical force is converted into the transverse force through the meshing teeth, the cross section of the meshing teeth can be triangular or rectangular, and the cross section of the meshing teeth is triangular in the embodiment, and the cross section is shown in figure 3. The tooth space of the meshing teeth on the outer hoop 3 is correspondingly the same as the tooth space of the upper and lower tooth blocks 1 and 2, and the cross section shape is the same. The outer hoop 3 has certain rigidity to restrain the upper and lower tooth blocks 1 and 2 from moving, and ensures that the movement of the model does not exceed the limit.

The upper tooth block 1 and the lower tooth block 2 are both made of steel, and devices are arranged on the upper side end face and the lower side end face of the upper tooth block 1 and the lower tooth block 2 and are connected with other components.

Fig. 3 shows a partial schematic view of the meshing teeth at the tooth blocks of the device, and as shown in the figure, when the model is stressed, the upper tooth block and the lower tooth block move to convert vertical force into transverse force.

The utility model discloses during out-of-work, can regard as the building function to cut apart the system and use, can be applied to new building, also can be used to the reinforcement and the transformation of existing building. The utility model discloses at the during operation, go up the tooth piece and the tooth piece atress down, take place the reciprocal motion, convert the power of vertical direction into the power of horizontal direction through the interlock tooth, make outer hoop ring strut the deformation, because the deformation produces the restoring force, convert vertical power into through the interlock tooth, make the model from restoring to the throne.

It should be noted that the above mentioned embodiments are only preferred embodiments of the present component, but the protection scope of the present component is not limited thereto, and any modification, decoration, change or replacement which can be easily conceived by those skilled in the art within the technical scope of the present component without departing from the principle of the present component shall be covered by the protection scope of the present component. All the components not specified in the present embodiment can be realized by means of the prior art.

Claims (7)

1. The utility model provides a conical can be from restoring to throne node friction damper which characterized in that, includes tooth piece, lower tooth piece and outer hoop, is equipped with the interlock tooth at last tooth piece and tooth piece surface down, and it has the interlock tooth to correspond on the outer hoop internal surface, goes up tooth piece and lower tooth piece cover in outer hoop, with going up tooth piece and tooth piece butt joint down, the lateral wall interlock is folded together, and goes up tooth piece and lower tooth piece below and outer device connecting portion stretch out outer hoop.

2. The conical self-resettable node friction damper as claimed in claim 1, wherein the upper and lower tooth blocks are cone structures, the upper and lower cones are in slot type butt joint, the engaging teeth are provided on the outer conical surface, the outer hoop is a hollow cone structure corresponding to the upper and lower tooth blocks, the top and bottom of the outer hoop are provided with cone openings, and the connecting parts of the top and bottom of the cone of the upper and lower tooth blocks extend out of the cone openings.

3. The conical self-resettable node friction damper of claim 1, wherein the upper and lower blocks are cylindrical and the outer band is hollow and cylindrical with respect to the upper and lower blocks.

4. The conical self-resettable node friction damper as recited in claim 1, wherein the outer band is an integral structure or a split structure, and the upper and lower outer bands of the split structure are connected by a snap lock.

5. The tapered self-resettable node friction damper of claim 1, wherein the cross-section of the meshing teeth is triangular or rectangular.

6. The conical self-resettable node friction damper as recited in claim 5, wherein the teeth on the outer band have the same pitch and cross-sectional shape as the teeth on the upper and lower tooth blocks.

7. A cone-type self-resettable node friction damper as claimed in claim 1, wherein the outer band is constructed of spring steel.

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